| ADAM8 | ADAM9 | ADAMDEC1 |
| Adami (автовиробник) | Adams | Adams (автовиробник) |
| Adams County | Adams County (метеорит) | Adams-Farwell |
| ADAMTS1 | ADAMTS10 | ADAMTS12 |
| ADAMTS13 | ADAMTS14 | ADAMTS15 |
| ADAMTS16 | ADAMTS17 | ADAMTS18 |
| ADAMTS19 | ADAMTS2 | ADAMTS20 |
| ADAMTS3 | ADAMTS4 | ADAMTS5 |
| ADAMTS6 | ADAMTS7 | ADAMTS8 |
| ADAMTS9 | ADAMTSL1 | ADAMTSL2 |
| ADAMTSL3 | ADAMTSL4 | ADAMTSL5 |
| Adamussiini | Adamussium | Adamussium colbecki |
| Adans. | Adansonia | Adansonia digitata |
| ADAP1 | ADAP2 | Adapiformes |
| Adapis | ADAR (білки) | ADARB1 |
| ADARB2 | Adasaurus | Adasaurus mongoliensis |
| ADAT1 | ADAT2 | ADAT3 |
| ADATA | Adımı Kalbine Yaz | Adûnaic |
| ADB | Adblock Plus | Adbusters |
| ADC | ADC Airlines | ADCC |
| ADCK1 | ADCK2 | ADCK5 |
| ADCY1 | ADCY10 | ADCY2 |
| ADCY3 | ADCY4 | ADCY5 |
| ADCY6 | ADCY7 | ADCY8 |
| ADCY9 | ADCYAP1 | ADCYAP1R1 |
| Add N to (X) | Add N to (X) (гурт) | ADD1 |
| ADD2 | ADD3 | Addax |
| Addax nasomaculatus | Addicted (пісня Simple Plan) | Addicted to Music |
| Addicted To Music | Addicted to You | Addicted to You (пісня Шакіри) |
| Addiction Crew | Addison Wesley | Addison-Wesley |
| Addison–Wesley | Address Book | Address generation unit |
| Address Group | Address Resolution Protocol | Address space layout randomization |
| Addy V | ADEDY | Adele |
| Adelina Ismajli | Adelina Patti | Adelitas Way |
| Adelitas Way (альбом) | Adelogyrinidae | Adelogyrinus |
| Adelogyrinus simorhynchus | Adelomyrmex | Adelospondyli |
| Adelowalkeria | Adelphia | Adelphobates |
| Adelphobates galactonotus | Adelphocoris lieolatus | Adelphocoris lineolatus |
| Adempiere | Adenium | Adenium obesum |
| Adenofora lilifolia | Adenomus | Adenophora lilifolia |
| Adenophora liliifolia | Adenoviridae | Adeona family |
| Adephaga | Adept | ADGAS |
| ADGB | ADGRA1 | ADGRA2 |
| ADGRA3 | ADGRB1 | ADGRB2 |
| ADGRB3 | ADGRD1 | ADGRE1 |
| ADGRE2 | ADGRE3 | ADGRE5 |
| ADGRF1 | ADGRF2 | ADGRF3 |
| ADGRF4 | ADGRF5 | ADGRG1 |
| ADGRG2 | ADGRG3 | ADGRG4 |
| ADGRG5 | ADGRG6 | ADGRG7 |
| ADGRL1 | ADGRL2 | ADGRL3 |
| ADGRL4 | ADGRV1 | ADH1A |
| ADH1B | ADH1C | ADH4 |
| ADH5 | ADH6 | ADH7 |
| ADHFE1 | ADI1 | Adiantum capillus-veneris |
| Adidas | Adidas Azteca | Adidas Beau Jeu |
| Adidas Brazuca | Adidas Brazuca 14 | Adidas Europa League 2009/2010 |
| Adidas Europa League 2010/2011 | Adidas Europass | Adidas Fevernova |
| Adidas Finale | Adidas Finale 10 | Adidas Group |
| Adidas International | Adidas International 2000, жінки, одиночний розряд | Adidas International 2001, жінки, одиночний розряд |
| Adidas International 2002, жінки, одиночний розряд | Adidas International 2003, жінки, одиночний розряд | Adidas International 2004, жінки, одиночний розряд |
| Adidas Jabulani | Adidas Roteiro | Adidas Tango 12 |
| Adidas Tango Durlast | Adidas Tango España | Adidas Telstar Durlast |
| Adidas Torfabrik | Adidas torfabrik | Adidas ZX (кросівки) |
| ADIG | Adimonia violacea | Adina |
| Adioz production | Adioz Production | AdiozProduction Studio |
| Adipocere | ADIPOQ | ADIPOR1 |
| ADIPOR2 | ADIRF | Adium |
| Adjacent channel power ratio | ADK | ADL |
| Adlair Aviation | Adler (автовиробник) | Adler Diplomat |
| Adler Trumpf | Adler Typ 10 | ADM |
| ADM2 | ADM5 | Adminer |
| Administrative Domain | Admiral Ancient Ships | Admiral Graf Spee (1931) |
| Admiral Graf Spee (1934) | Admiral Graf Spee (Важкий крейсер) | Admiral Hipper (1939) |
| Admiral Scheer (1933) | Admiral Scheer (важкий крейсер) | Admiral Sea Battles |
| Admiral: Ancient Ships | Admiral: Sea Battles | Admire |
| Admire (метеорит) | AdMob | Adnan |
| ADNOC | ADNP | ADNP2 |
| ADO | ADO (ген) | ADO.NET |
| Adobe | Adobe Acrobat | Adobe Acrobat Reader |
| Adobe After Effects | Adobe AIR | Adobe Audition |
| Adobe audition | Adobe Brackets | Adobe Bridge |
| Adobe Captivate | Adobe ColdFusion | Adobe Creative Cloud |
| Adobe Creative Suite | Adobe Dreamweaver | Adobe Fireworks |
| Adobe Flash | Adobe Flash Media Server | Adobe Flash Player |
| Adobe Flex | Adobe FrameMaker | Adobe FreeHand |
| Adobe GoLive | Adobe Illustrator | Adobe Illustrator Artwork |
| Adobe InDesign | Adobe Integrated Runtime | Adobe Media Player |
| Adobe OnLocation | Adobe Photoshop | Adobe Photoshop Lightroom |
| Adobe Premiere | Adobe Premiere Pro | Adobe Reader |
| Adobe Systems | Adobe Version Cue | Adobe.com |
| Adocidae | ADOdb | Adolfas Ramanauskas-Vanagas |
| Adolfus | Adolfus africanus | Adolphe Mouron Cassandre |
| Adonis | Adonis vernalis | Adonis volgensis |
| Adonis wolgensis | ADORA1 | ADORA2A |
| ADORA2B | ADORA3 | Adorations |
| Adore | Adore (альбом The Smashing Pumpkins) | Adore (альбом) |
| Adore (пісня) | Adorned Brood | Adoro te devote |
| Adosomus | ADOX | Adoxa moschatellina |
| Adoxaceae | ADPCM | ADPGK |
